The term "with something adverse to complainant" can be used to refer to a situation wherein a person experiences unfavorable circumstances that cause them to file a complaint. Some synonyms for this phrase include adverse, unfavorable, negative, detrimental, hostile, injurious, and harmful. These words indicate an unwanted situation that causes harm or distress to the individual, leading to a complaint. The term "with something adverse to complainant" is commonly used in legal and corporate settings to describe situations where individuals have been wronged or have suffered harm. Understanding the different synonyms for this phrase can help in effectively communicating and addressing such situations.